*{
    padding: 0;
    margin: 0;
}
img{
    border: 0;
}
ul li{
    list-style: none;
}
ol li{
    list-style: none;
}
body{
    font-size: 12px;
    font-family: Arial,"Microsoft Yahei", Tahoma, Geneva;
}
a{
    text-decoration: none;
}
a:active {
    color:#000;
}
.cle{                             /*.clear both.*/
    clear: both;
}
.hide{
    display: none;
}

body{
    /*background: #f5f5f5;*/
}
.float_l{
    float: left;
}
.float_r{
    float: right;
}